Certainly, here is the additional data you provided for AC bus timings from Salem to Chennai:
- Bus: 422AC
Departure: SALEM 15:00:00
Arrival: CHENNAI-PT Dr. M.G.R. BS 22:30:00
Type: AC
Operator: SETC - Bus: 422AC
Departure: SALEM 23:00:00
Arrival: CHENNAI-PT Dr. M.G.R. BS 6:30:00
Type: AC
Operator: SETC - Bus: 422AB
Departure: SALEM 10:30:00
Arrival: CHENNAI-PT Dr. M.G.R. BS 17:30:00
Type: ACSS
Operator: SETC - Bus: 422AB
Departure: SALEM 13:30:00
Arrival: CHENNAI-PT Dr. M.G.R. BS 20:30:00
Type: ACSS
Operator: SETC - Bus: 422AB
Departure: SALEM 14:30:00
Arrival: CHENNAI-PT Dr. M.G.R. BS 22:15:00
Type: ACSS
Operator: SETC - Bus: 422AB
Departure: SALEM 21:15:00
Arrival: CHENNAI-PT Dr. M.G.R. BS 5:00:00
Type: ACSS
Operator: SETC - Bus: 422AB
Departure: SALEM 22:30:00
Arrival: CHENNAI-PT Dr. M.G.R. BS 5:30:00
Type: ACSS
Operator: SETC - Bus: 422AB
Departure: SALEM 23:45:00
Arrival: CHENNAI-PT Dr. M.G.R. BS 6:45:00
Type: ACSS
Operator: SETC
If you have any more data or requests, please let me know!